[INFO] cloning repository https://github.com/devUserContact/rust_html_gen
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/devUserContact/rust_html_gen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FdevUserContact%2Frust_html_gen", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FdevUserContact%2Frust_html_gen'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 14b7f05ea18b4725a5afad1ad00d08f757eafa54
[INFO] testing devUserContact/rust_html_gen against beta-2025-09-21 for beta-1.91-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FdevUserContact%2Frust_html_gen" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/devUserContact/rust_html_gen
[INFO] finished tweaking git repo https://github.com/devUserContact/rust_html_gen
[INFO] tweaked toml for git repo https://github.com/devUserContact/rust_html_gen written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/devUserContact/rust_html_gen on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/devUserContact/rust_html_gen already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.117
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 05b8dbbe8edc01c9b6f1a61285ae0e14bf6363708ebf2ced6964c0a1e6b508cb
[INFO] running `Command { std: "docker" "start" "-a" "05b8dbbe8edc01c9b6f1a61285ae0e14bf6363708ebf2ced6964c0a1e6b508cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05b8dbbe8edc01c9b6f1a61285ae0e14bf6363708ebf2ced6964c0a1e6b508cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05b8dbbe8edc01c9b6f1a61285ae0e14bf6363708ebf2ced6964c0a1e6b508cb", kill_on_drop: false }`
[INFO] [stdout] 05b8dbbe8edc01c9b6f1a61285ae0e14bf6363708ebf2ced6964c0a1e6b508cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc4a1fae0a732d5166c0ec3b9445dfb543e9538f74e7c5031461dd952dd09f16
[INFO] running `Command { std: "docker" "start" "-a" "bc4a1fae0a732d5166c0ec3b9445dfb543e9538f74e7c5031461dd952dd09f16", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.117
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling project_00 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `OpenOptions`
[INFO] [stdout]   --> src/main.rs:11:21
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut ofile = OpenOptions::new()
[INFO] [stdout]    |                     ^^^^^^^^^^^ use of undeclared type `OpenOptions`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these structs
[INFO] [stdout]    |
[INFO] [stdout]  3 + use crate::fs::OpenOptions;
[INFO] [stdout]    |
[INFO] [stdout]  3 + use std::fs::OpenOptions;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `project_00` (bin "project_00") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "bc4a1fae0a732d5166c0ec3b9445dfb543e9538f74e7c5031461dd952dd09f16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc4a1fae0a732d5166c0ec3b9445dfb543e9538f74e7c5031461dd952dd09f16", kill_on_drop: false }`
[INFO] [stdout] bc4a1fae0a732d5166c0ec3b9445dfb543e9538f74e7c5031461dd952dd09f16